A magazine is an item or place within which ammunition or other explosive material is stored. The word is taken originally from the Arabic word makhāzin (مخازن), meaning "storehouses", via Italian and Middle French.
The term is also used for an ammunition dump, a place where large quantities of ammunition are stored for later distribution. This usage is less common.
In the early history of tube artillery drawn by horses (and later by mechanized vehicles), ammunition was carried in separate unarmored wagons or vehicles. These soft-skinned vehicles were extremely vulnerable to enemy fire and to explosions caused by a weapons malfunction.
Therefore, as part of setting up an artillery battery, a designated place would be used to shelter the ready ammunition. In the case of batteries of towed artillery the temporary magazine would be placed, if possible, in a pit, or natural declivity, or surrounded by sandbags or earthworks. Circumstances might require the establishment of multiple field magazines so that one lucky hit or accident would not disable the entire battery.
The ammunition storage area aboard a warship is referred to as a magazine or the "ship's magazine" by sailors.
Historically, when artillery was fired with gunpowder, a warship's magazines were built below the water line—especially since the magazines could then be readily flooded in case of fire or other dangerous emergencies on board the ship. An open flame was never allowed inside the magazine.
More modern warships use semi-automated or automated ammunition hoists. The path through which the naval artillery's ammunition passed typically has blast-resistant airlocks and other safety devices, including provisions to flood the compartment with seawater in an emergency.
The separation of shell and propellant gave the storage of the former the name "shell room" and the latter "powder room".
Surface warships that have carried torpedoes, and ones that still do (such as the Mark 46 torpedo for antisubmarine warfare), have had torpedo magazines for carrying these dangerous antiship and antisubmarine weapons in well-defended compartments.
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Naval artillery is artillery mounted on a warship, originally used only for naval warfare and then subsequently used for more specialized roles in surface warfare such as naval gunfire support (NGFS) and anti-aircraft warfare (AAW) engagements. The term generally refers to tube-launched projectile-firing weapons and excludes self-propelled projectiles such as torpedoes, rockets, and missiles and those simply dropped overboard such as depth charges and naval mines. The idea of ship-borne artillery dates back to the classical era.
A gun turret (or simply turret) is a mounting platform from which weapons can be fired that affords protection, visibility and ability to turn and aim. A modern gun turret is generally a rotatable weapon mount that houses the crew or mechanism of a projectile-firing weapon and at the same time lets the weapon be aimed and fired in some degree of azimuth and elevation (cone of fire). Rotating gun turrets protect the weapon and its crew as they rotate.
A modern torpedo is an underwater ranged weapon launched above or below the water surface, self-propelled towards a target, and with an explosive warhead designed to detonate either on contact with or in proximity to the target. Historically, such a device was called an automotive, automobile, locomotive, or fish torpedo; colloquially a fish. The term torpedo originally applied to a variety of devices, most of which would today be called mines. From about 1900, torpedo has been used strictly to designate a self-propelled underwater explosive device.
We present a planar micro-direct methanol fuel cell (μ−DMFC) fabricated by rapid prototyping powder blasting technology. Using an elastomeric mask, we pattern two parallel microfluidic channels in glass. The anode and cathode of the fuel cell are formed by ...